---
id: CVE-2026-74260
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  netfilter: nf_dup_netdev: add nf_dev_xmit_recursion*() helpers and use them

  Update nft_dup and nft_fwd to use the nf_dev_xmit_recursion() helpers.
  This patch also disa…
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  netfilter: nf_dup_netdev: add nf_dev_xmit_recursion*() helpers and use them

  Update nft_dup and nft_fwd to use the nf_dev_xmit_recursion() helpers.
  This patch also disa…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= f37ad91270397a6d053e8623bdb3cf79859691d2 <
    53fb46cf933dc4361c1a72491e247841d0b0fc85
  - >-
    Linux >= f37ad91270397a6d053e8623bdb3cf79859691d2 <
    edf234f71fb327792196f813048ab8f5bd3bb712
  - >-
    Linux >= f37ad91270397a6d053e8623bdb3cf79859691d2 <
    2354e975932dabb06fad239f07a3b68fd1809737
  - Linux 6.16
published: '2026-08-15'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T11:17:44.583'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-74260'
references:
  - url: 'https://git.kernel.org/stable/c/2354e975932dabb06fad239f07a3b68fd1809737'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/53fb46cf933dc4361c1a72491e247841d0b0fc85'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/edf234f71fb327792196f813048ab8f5bd3bb712'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
  - cve.org
epss: 0.00165
epssPercentile: 0.05348
ingestedAt: '2026-10-15T11:00:41.681Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nf_dup_netdev: add nf_dev_xmit_recursion*() helpers and use them

Update nft_dup and nft_fwd to use the nf_dev_xmit_recursion() helpers.
This patch also disables BH when transmitting the skb to address a
possible migration to different CPU leading to imbalanced decrementation
of the recursion counters.

This is modeled after Florian Westphal's dev_xmit_recursion*() API
available since commit 97cdcf37b57e ("net: place xmit recursion in
softnet data") according to its current state in the tree.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.